iMX8M Mini suspend/resume hanging on imx8m_blk_ctrl_power_on()

[vitor]

Greetings,

I'm trying to suspend/resume our Verdin iMX8M Mini with VPU IP using
the latest 6.9.0-rc2 Kernel. While the system can suspend without
issues, it hangs on the resume routine. After some investigation, I can
see the Kernel hanging on imx8m_blk_ctrl_power_on()[1] while resuming
the hantro-vpu power domain.

Any hint about that?

[1]https://elixir.bootlin.com/linux/v6.9-rc2/source/drivers/pmdomain/imx/imx8m-blk-ctrl.c#L101